private static BackupExistResult IsBackupExist(string backupDirectory)
{
BackupExistResult directoryExistResult = new BackupExistResult();
DirectoryInfo directoryInfo = new DirectoryInfo(backupDirectory);
Regex backupDirDateRegex = new Regex(ConfigHelper.GetSetting <string>("BkpFolderDatePatternRegex")); // ^\d{2}-\d{2}-\d{4}(_(\d+))?$
IOrderedEnumerable <DirectoryInfo> topDirResult = directoryInfo.GetDirectories("*", SearchOption.TopDirectoryOnly)
.Where(D => backupDirDateRegex.IsMatch(D.Name))
.OrderByDescending(O => O.CreationTimeUtc);
DirectoryInfo todaysBackupDir = topDirResult.FirstOrDefault(D => D.CreationTime.Date == DateTime.Now.Date);
if (todaysBackupDir != null)
{
Match mtchRslt = backupDirDateRegex.Match(todaysBackupDir.Name);
int todaysBackupNo = mtchRslt.Groups[2].Success ? Convert.ToInt32(mtchRslt.Groups[2].Value) : 1;
directoryExistResult = new BackupExistResult(todaysBackupDir.Name, todaysBackupNo);
}
directoryExistResult.ExistingBackupList = topDirResult.Select(D => D.FullName);
return(directoryExistResult);
}
static void Main(string[] args)
{
List <ConfigModel> configList = null;
string backupDirectory = string.Empty;
try
{
if (applicationData == null)
{
applicationData = AppData.Load();
}
applicationData.NoOfTimesAppRan = ++applicationData.NoOfTimesAppRan;
applicationData.LastRanTime = DateTime.Now.ToString("dd-MMM-yyyy hh:mm:ss tt");
PrintDescriptionAndAuthorInfo();
backupDirectory = ConfigHelper.GetSetting <string>("BackupFolder");
CreateRootBackupDirIfNotExist(backupDirectory);
BackupExistResult bkpExistRslt = IsBackupExist(backupDirectory);
string newBackupDirName = bkpExistRslt.GetNewBackupDirName(ConfigHelper.GetSetting <string>("BkpFolderDatePattern"));
if (bkpExistRslt.IsTodaysBackupExist)
{
Console.WriteLine($"Backup Already Exist At {bkpExistRslt.TodaysBackupDirName}. Creating New Backup At {newBackupDirName}\n");
}
configList = LoadBackupConfigFile();
string todaysBackupDir = Path.Combine(backupDirectory, newBackupDirName);
TakeBackup(configList, todaysBackupDir);
applicationData.NoOfFilesBackedUp += fileCount;
applicationData.NoOfDirectoriesBackedUp += dirCount;
applicationData.Save();
// Delete backup after taking backup
if (ConfigHelper.GetSetting <bool>("IsDelOldBackups"))
{
DeleteExistingBackups(bkpExistRslt.ExistingBackupList);
}
Console.WriteLine($"\nBackup Completed. Copied {fileCount} files and {dirCount} folders");
}
catch (Exception ex)
{
File.AppendAllText("ExceptionDetail.txt", $"{DateTime.Now:dd/MM/yyyy hh:ss:ss tt}\r\n{ex}\r\n");
SendErrorMail(ex);
}
if (ConfigHelper.GetSetting <bool>("SendBackupSuccessMail"))
{
string recepiant = ConfigHelper.GetSetting <string>("BackupSuccessMailRecepiants");
if (string.IsNullOrEmpty(recepiant))
{
return;
}
string backupSuccessSubject = $"{ConfigHelper.GetSetting<string>("BackupSuccessMailSubject")} - {DateTime.Now:dd-MM-yyyy}";
IEnumerable <ConfigModel> srcDirCnt = configList.Where(C => C.ConfigPattern == ConfigPatterns.SourceFolder);
var foldersOrFolderTxt = srcDirCnt.Count() > 1 ? "folders" : "folder";
StringBuilder mailBody = new StringBuilder(string.Empty);
mailBody.AppendLine($"Backup of below {foldersOrFolderTxt} successfully created at {backupDirectory} on machine {Environment.MachineName}");
foreach (var item in srcDirCnt)
{
mailBody.AppendLine(item.Value);
}
if (ConfigHelper.GetSetting <bool>("IsDelOldBackups"))
{
mailBody.AppendLine($"\"Delete Previous Backups\" setting is enabled and only keeping last {ConfigHelper.GetSetting<int>("DelOldBackupGreaterThan")} backups.");
}
SendMail(recepiant, backupSuccessSubject, mailBody.ToString());
}
if (ConfigHelper.GetSetting <bool>("ShowConsoleAfterComplete"))
{
Console.ReadKey();
}
}
